FGFS-4.1/OpenSceneGraph
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Introduce OSG_GL_ERROR_CHECKING env var checking to osg::State constructor so that you

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can enable fine grained check via env vars o.e.

 export OSG_GL_ERROR_CHECKING=ONCE_PER_ATTRIBUTE
This commit is contained in:
Robert Osfield
2008-04-18 11:09:54 +00:00
parent a1f1f5114c
commit f09d583f44
1 changed files with 9 additions and 4 deletions
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13
src/osg/State.cpp
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@@ -14,6 +14,7 @@
#include <osg/Notify>
#include <osg/GLU>
#include <osg/GLExtensions>
#include <osg/ApplicationUsage>
#ifndef GL_MAX_TEXTURE_COORDS
#define GL_MAX_TEXTURE_COORDS 0x8871
@@ -30,6 +31,8 @@
using namespace std;
using namespace osg;
static ApplicationUsageProxy State_e0(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_GL_ERROR_CHECKING <type>","ONCE_PER_ATTRIBUTE | ON | on enables fine grained checking, ONCE_PER_FRAME enables coarse grained checking");
State::State():
Referenced(true)
{
@@ -42,11 +45,13 @@ State::State():
_abortRenderingPtr = false;
#if 1
_checkGLErrors = ONCE_PER_FRAME;
#else
_checkGLErrors = ONCE_PER_ATTRIBUTE;
#endif
const char* str = getenv("OSG_GL_ERROR_CHECKING");
if (str && (strcmp(str,"ONCE_PER_ATTRIBUTE")==0 || strcmp(str,"ON")==0 || strcmp(str,"on")==0))
{
_checkGLErrors = ONCE_PER_ATTRIBUTE;
}
_currentActiveTextureUnit=0;
_currentClientActiveTextureUnit=0;